diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-11-04 14:57:27 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-06-05 09:05:41 -0700 |
| commit | 7837185e40dc8b5e97e33e3fbdf94be0b55ef585 (patch) | |
| tree | bd2248b7e502764502dee210f394923ced9cdd8e /target/sparc/vis_helper.c | |
| parent | c973b4e8df6e4a7b0080e3a93742a4d56baeb84b (diff) | |
target/sparc: Implement FCHKSM16
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/sparc/vis_helper.c')
| -rw-r--r-- | target/sparc/vis_helper.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/sparc/vis_helper.c b/target/sparc/vis_helper.c index 20baa4ff71..fa607375d2 100644 --- a/target/sparc/vis_helper.c +++ b/target/sparc/vis_helper.c @@ -389,3 +389,26 @@ uint64_t helper_cmask32(uint64_t gsr, uint64_t src) return deposit64(gsr, 32, 32, mask); } + +static inline uint16_t do_fchksm16(uint16_t src1, uint16_t src2) +{ + uint16_t a = src1 + src2; + uint16_t c = a < src1; + return a + c; +} + +uint64_t helper_fchksm16(uint64_t src1, uint64_t src2) +{ + VIS64 r, s1, s2; + + s1.ll = src1; + s2.ll = src2; + r.ll = 0; + + r.VIS_W64(0) = do_fchksm16(s1.VIS_W64(0), s2.VIS_W64(0)); + r.VIS_W64(1) = do_fchksm16(s1.VIS_W64(1), s2.VIS_W64(1)); + r.VIS_W64(2) = do_fchksm16(s1.VIS_W64(2), s2.VIS_W64(2)); + r.VIS_W64(3) = do_fchksm16(s1.VIS_W64(3), s2.VIS_W64(3)); + + return r.ll; +} |